NEET · Biology · STD 11 - 8. Cell the unit of life

A major site for synthesis of lipids is

A symplast
B nucleoplasm
C \(RER\)
D \(SER\)

Verified Solution

Answer & Solution

Correct Answer

(D) \(SER\)

Step-by-step Solution

Detailed explanation

(d) : Smooth endoplasmic reticulum \((SER) \) is a system of smooth membranes (\(i.e.\), membranes not having ribosomes) within the cytoplasm of plant and animal cells. It forms a link between the cell and nuclear membranes. It is the site of important metabolic reactions, including phospholipid and fatty acid synthesis. In animal cells lipidlike steroidal hormones are also synthesized.

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

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Match List \(I\) with List \(II\) : Choose the correct answer from the options given below :

List \(I\)	List \(II\)
\(A.\) Down's syndrome	\(I.\) \(11^{th}\) chromosome
\(B.\) \(\alpha -\)Thalassemia	\(II.\) \(X\) chromosome
\(C.\) \(\beta -\)Thalassemia	\(III.\) \(21^{st}\) chromosome
\(D.\) Klinefelter's syndrome	\(IV.\) \(16^{th}\) chromosome

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